| APA | SLF. (2012, February 14). In Acronym Geek. Retrieved 07:53, February 14, 2012, from http://www.acronymgeek.com/SLF |
| MLA | "SLF." Acronym Geek. (2012). Acronym Geek. 14 Feb 2012 <http://www.acronymgeek.com/SLF>. |
| MHRA | 'SLF', Acronym Geek, 14 February 2012, <http://www.acronymgeek.com/SLF> [accessed 14 February 2012] |
| Chicago | "SLF", http://www.acronymgeek.com/SLF (accessed February 14, 2012). |
| CBE/CSE | SLF [Internet]. Acronym Geek; 2012 Feb 14 [cited 2012 Feb 14]. Available from: http://www.acronymgeek.com/SLF. |
| Bluebook | SLF, http://www.acronymgeek.com/SLF (last visited February 14, 2012). |
| Bluebook: Harvard JOLT | See Acronym Geek, SLF, http://www.acronymgeek.com/SLF (optional description here) (as of Feb. 14, 2012, 07:53). |
| AMA | SLF. Acronym Geek. February 14, 2012, 07:53. Available at: http://www.acronymgeek.com/SLF. Accessed February 14, 2012, 07:53. |